🇨🇿 Czechia Open Source Developers

The community of talented open source developers driving innovation and collaboration in the tech industry.

Developers

6,150

Organizations

830

Repositories

40,484

Top Rank

Dockerfile, Shell, C

🇨🇿 Made in Czechia Compare with other countries 🌐 All countries
101
Marek Veselý (@notmarek)

notmarek

Rust, JavaScript, Python
1,014
star
102
Tomáš Iser (@tomasiser)

tomasiser

C++, Vim Script, Java
1,007
star
103
Tomas Krejci (@tomas789)

tomas789

Python, C++, TypeScript
1,000
star
104
Tomáš Nekvinda (@Tomiinek)

Tomiinek

Python, C++, Shell
996
star
105
Jakub Arnold (@darthdeus)

darthdeus

Ruby, Haskell, Rust
988
star
106
Filip Halaxa (@halaxa)

halaxa

PHP
983
star
107
Petr Havlena (@havlenapetr)

havlenapetr

C, Java, C++
980
star
108
Riki Fridrich (@fczbkk)

fczbkk

JavaScript, CoffeeScript, Vue
966
star
109
Vojtěch Boček (@Tasssadar)

Tasssadar

C++, C, Java
952
star
110
Tomáš Martykán (@martykan)

martykan

Java, CSS, Swift
952
star
111
Mariusz Kotas (@Marfusios)

Marfusios

C#, TypeScript, HTML
949
star
112
Jiří Šebek (@jirsbek)

jirsbek

CSS, PHP
940
star
113
Jakub Scholz (@scholzj)

scholzj

Java, Shell, HCL
938
star
114
Tomas Petricek (@tpetricek)

tpetricek

F#, HTML, TeX
928
star
115
Martin Tůma (@tumic0)

tumic0

C++, Smarty, C
925
star
116
David Rosca (@nowrep)

nowrep

C++, C, Python
921
star
117
Dmitry Dygalo (@Stranger6667)

Stranger6667

Python, Rust
915
star
118
Adam Horacek (@adamhoracek)

adamhoracek

Objective-C
910
star
119
Erdin Kacan (@Ludomancer)

Ludomancer

C#, HTML, Python
902
star
120
Ondřej Nepožitek (@OndrejNepozitek)

OndrejNepozitek

C#, JavaScript
901
star
121
Petr Ruzicka (@ruzickap)

ruzickap

Shell, Dockerfile, HCL
897
star
122
Jirka Borovec (@Borda)

Borda

Python, Jupyter Notebook, Java
890
star
123
@chylex

chylex

Java, Kotlin, C#
890
star
124
Bastl Instruments (@bastl-instruments)

bastl-instruments

C++, Arduino, C
885
star
125
Martin Hochel (@Hotell)

Hotell

TypeScript, JavaScript
882
star
126
Tomas Vondra (@tvondra)

tvondra

C, PLpgSQL, Shell
868
star
127
Ondřej Surý (@oerdnj)

oerdnj

C, Shell, HTML
860
star
128
Alex Devero (@alexdevero)

alexdevero

TypeScript, JavaScript, HTML
858
star
129
Martin Franc (@francma)

francma

Python, Shell, Meson
850
star
130
Radek Vymětalík (@RadekVyM)

RadekVyM

C#, CSS, JavaScript
846
star
131
Martin Allien (@AllienWorks)

AllienWorks

CSS, Shell
840
star
132
Marek Fořt (@fortmarek)

fortmarek

Swift, Java, JavaScript
839
star
133
Dan R. (@deathkiller)

deathkiller

C++, C#, C
838
star
134
Sasha Aliashkevich (@sasha-alias)

sasha-alias

Python, CSS, JavaScript
835
star
135
Honza Král (@honzakral)

honzakral

Python
822
star
136
Slush (@slush0)

slush0

Python, JavaScript, PHP
812
star
137
Charles Assunção (@assuncaocharles)

assuncaocharles

TypeScript, JavaScript, C#
810
star
138
Michal Busta (@MichalBusta)

MichalBusta

Python, C++, C
806
star
139
Adam Schubert (@Salamek)

Salamek

Python, PHP, C++
804
star
140
Petr Medek (@me2d13)

me2d13

Pascal, Python, C++
803
star
141
Tomas Vymazal (@MyOwnClone)

MyOwnClone

C#, C++, C
792
star
142
David Schovanec (@schovi)

schovi

JavaScript, Ruby, Crystal
792
star
143
Luca D'Alberti (@dalu93)

dalu93

Swift, Objective-C, JavaScript
790
star
144
Filip Němeček (@nemecek-filip)

nemecek-filip

Swift, HTML, CSS
786
star
145
@rkadlec

rkadlec

Python, Jupyter Notebook
768
star
146
Filip Matzner (@FloopCZ)

FloopCZ

Shell
765
star
147
Matus Novak (@matusnovak)

matusnovak

C++, C, Python
758
star
148
Petr Vostřel (@pisi)

pisi

JavaScript
754
star
149
Nemanja Mijailovic (@Metalnem)

Metalnem

C#, Go, JavaScript
753
star
150
Ciaran Fisher (@ciribob)

ciribob

Lua, C#, C++
749
star
151
Martin Pecka (@peci1)

peci1

Java, C++, JavaScript
741
star
152
Vaclav (@bruxy70)

bruxy70

Python, C++, Jupyter Notebook
737
star
153
ashlen (@thesadru)

thesadru

Python, HTML, C#
705
star
154
@Crauzer

Crauzer

C#, Rust, TypeScript
698
star
155
Sergei ZH (@quentincaffeino)

quentincaffeino

GDScript, JavaScript, Shell
689
star
156
Charlesmudy (@charlesmudy)

charlesmudy

HTML
688
star
157
Tomas Sedovic (@tomassedovic)

tomassedovic

Python, Rust, CoffeeScript
683
star
158
Tomas Barton (@deric)

deric

Ruby, Java, Shell
671
star
159
Anton Skorochod (@kanocz)

kanocz

Go, C++, C
663
star
160
Tomas Vojir (@vojirt)

vojirt

C++, Python, MATLAB
659
star
161
Tomáš Znamenáček (@zoul)

zoul

Objective-C, Swift, Ruby
657
star
162
Jan Forst (@darosh)

darosh

JavaScript, HTML, Vue
652
star
163
Tomáš Hübelbauer (@TomasHubelbauer)

TomasHubelbauer

JavaScript, Markdown, TypeScript
652
star
164
Ondrej Texler (@OndrejTexler)

OndrejTexler

C++
650
star
165
Al (@aorumbayev)

aorumbayev

Python, C++, TypeScript
644
star
166
Jakub Hlusička (@Limeth)

Limeth

Rust, Java, Lua
640
star
167
Midori Kocak (@midorikocak)

midorikocak

PHP, HTML, JavaScript
634
star
168
David Frnoch (@lnxcz)

lnxcz

TypeScript, Python, Rust
626
star
169
Lukáš Petr (@LukasCZ)

LukasCZ

Objective-C, Swift
616
star
170
Josef Pihrt (@josefpihrt)

josefpihrt

C#, Vim Snippet, JavaScript
616
star
171
Josef Gajdusek (@atx)

atx

C, Python, C++
615
star
172
Pavel H (@slowscript)

slowscript

Java, HTML, C#
606
star
173
Petr Zemek (@s3rvac)

s3rvac

Python, Vim Script, Rust
602
star
174
Tom Pažourek (@tompazourek)

tompazourek

C#
600
star
175
Tomas (@viktomas)

viktomas

Go, JavaScript, Shell
590
star
176
Martin Endler (@pokusew)

pokusew

JavaScript, TypeScript, Makefile
589
star
177
Jan Muller (@biokys)

biokys

Java, JavaScript
585
star
178
Jan Kuča (@jankuca)

jankuca

JavaScript, PHP, CoffeeScript
584
star
179
Yevhen Kuzmovych (@kuzmoyev)

kuzmoyev

Python, Jupyter Notebook, TeX
577
star
180
@Cvolton

Cvolton

C++, Python, PHP
567
star
181
Ondřej Hruška (@MightyPork)

MightyPork

C, JavaScript, Python
565
star
182
@djdagovs

djdagovs

Shell, PHP, HTML
565
star
183
Martin Kluska (@pionl)

pionl

PHP, JavaScript, Dockerfile
563
star
184
Tomas Korcak (@korczis)

korczis

Ruby, C, Shell
561
star
185
Martin Cohen (@martincohen)

martincohen

C
549
star
186
Martin Majlis (@martin-majlis)

martin-majlis

Python, C++, Perl
546
star
187
Martin Šťovíček (@stovmascript)

stovmascript

JavaScript
542
star
188
Tee (@teeteeteeteetee)

teeteeteeteetee

JavaScript, C#, Shell
532
star
189
Daniel Fiser (@danfis)

danfis

C, C++, Python
531
star
190
Jakub Čábera (@Ash258)

Ash258

PowerShell, CSS, Java
528
star
191
Tomáš Báča (@klaxalk)

klaxalk

Shell, C, TeX
525
star
192
Martin Janiczek (@Janiczek)

Janiczek

Elm, HTML, JavaScript
521
star
193
Jan Ivanecky (@janivanecky)

janivanecky

Python, C, C++
520
star
194
Mustafa Ozhan (@mustafaozhan)

mustafaozhan

Kotlin, Swift, Shell
519
star
195
@MartinD-CZ

MartinD-CZ

Makefile, C++, C
519
star
196
Ondrej Kokes (@kokes)

kokes

Python, Jupyter Notebook, JavaScript
519
star
197
Denis Zykov (@deniszykov)

deniszykov

C#
517
star
198
Jan Breuer (@j123b567)

j123b567

C, C#, Java
516
star
199
Jølly Good (@good-lly)

good-lly

JavaScript, HTML, Python
510
star
200
Petr Broz (@petrbroz)

petrbroz

JavaScript, TypeScript, C#
507
star

Statistics

By location

Prague 64.0%
Brno 21.2%
Ostrava 2.1%
Pilsen 1.5%
Liberec 1.0%
Other 10.1%

By programing language

JavaScript
15.9%
Python
14.8%
C++
8.3%
Java
8.1%
PHP
8.1%
Other
44.8%

World rating by programing language (country/rank)

Dockerfile
20
Shell
21
C
24
C++
26
Rust
26

* More analytics for signed in users.